Dr John Madison Clair, DO - Medicare Hospitalist in Williston, ND

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Dr John Madison Clair, DO is a medicare enrolled "Internal Medicine" physician in Williston, North Dakota. He went to West Virginia School Of Osteopathic Medicine and graduated in 2006 and has 20 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Mercy Medical Center, Trenton Indian Service Area and his current practice location is 1301 15th Ave W, Williston, North Dakota. You can reach out to his office (for appointments etc.) via phone at (701) 774-7400.

Dr John Madison Clair is licensed to practice in North Dakota (license number 13540) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1427232354.

Contact Information

Dr John Madison Clair, DO
1301 15th Ave W,
Williston, ND 58801-3821
(701) 774-7400
Not Available

Map and Direction




Physician's Profile

Full NameDr John Madison Clair
GenderMale
SpecialityHospitalist
Experience20 Years
Location1301 15th Ave W, Williston, North Dakota
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John Madison Clair attended and graduated from West Virginia School Of Osteopathic Medicine in 2006
  NPI Data:
  • NPI Number: 1427232354
  • Provider Enumeration Date: 12/27/2007
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 7113073594
  • Enrollment ID: I20150320000976

Medical Identifiers

Medical identifiers for Dr John Madison Clair such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427232354NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine DO1452 (Nevada)Secondary
208M00000XHospitalist DO1452 (Nevada)Secondary
208M00000XHospitalist 13540 (North Dakota)Secondary
207R00000XInternal Medicine 13540 (North Dakota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Chi St Alexius Health WillistonWilliston, NDHospital
Sidney Health CenterSidney, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Medical Center741685138178
Trenton Indian Service Area80220094308

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr John Madison Clair allows following entities to bill medicare on his behalf.
Entity NameSt. Joseph's Hospital and Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730464108
PECOS PAC ID: 0547177560
Enrollment ID: O20031107000651
Entity NameMercy Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801928593
PECOS PAC ID: 7416851381
Enrollment ID: O20031230000336
Entity NameMercy Medical Center
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1902824576
PECOS PAC ID: 7416851381
Enrollment ID: O20080307000316
Entity NameSt. Joseph's Hospital and Health Center
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1992947956
PECOS PAC ID: 0547177560
Enrollment ID: O20090429000122

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr John Madison Clair is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr John Madison Clair, DO
1301 15th Ave W,
Williston, ND 58801-3821

Ph: (701) 774-7400		Dr John Madison Clair, DO
1301 15th Ave W,
Williston, ND 58801-3821

Ph: (701) 774-7400

Reviews and Comments


Internal Medicine Doctors in Williston, ND

George M Wilson, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1321 W Dakota Pkwy, Williston, ND 58801
Phone: 701-572-7711    Fax: 701-572-2283
Austin James Mccoy, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1213 15th Ave. W., Craven Hagan Clinic, Williston, ND 58801
Phone: 701-572-7651    Fax: 352-265-1107
Dr. Cory R Miller, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1213 15th Ave W, Williston, ND 58801
Phone: 701-572-7651    Fax: 701-774-7482
Dr. Bruce S. Pugatch, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1301 15th Ave W, Williston, ND 58801
Phone: 701-774-7400    
Mr. Victor Ogooluwa Adenuga, M.D
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1700 11th St W, Williston, ND 58801
Phone: 701-774-7687    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.